397397090

素因数分解:

$2^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{140423}}^1$

素因数の和:140713

約数の個数: 16

約数和(自身を含む): 717847488

約数和(自身を除く): 320450398

約数列:

[1, 2, 5, 10, 283, 566, 1415, 2830, 140423, 280846, 702115, 1404230, 39739709, 79479418, 198698545, 397397090]

約数ペア:

[(1, 397397090), (2, 198698545), (5, 79479418), (10, 39739709), (283, 1404230), (566, 702115), (1415, 280846), (2830, 140423)]